P · 13 seasons · 1985 – 1998 · B/T: R/L
Few careers score higher: Bob Patterson sits 1st of 0 pitchers all-time in roto value, built over 13 seasons. 1990 was the high-water mark, worth +3.7, 74th that season and 7776th of 51,303 player-seasons on record. On the credit side, WHIP (+3.0) and ERA (+0.4). On the debit side, strikeouts (-4.1).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1985 | SD | 3 | -2.24 | #482 | #81,373 |
| 1986 | PIT | 11 | -2.44 | #819 | #97,303 |
| 1987 | PIT | 15 | -2.51 | #878 | #99,829 |
| 1989 | PIT | 12 | -2.35 | #840 | #91,790 |
| 1990 | PIT | 55 | -2.72 | #989 | #105,082 |
| 1991 | PIT | 54 | -2.11 | #483 | #65,787 |
| 1992★ | PIT | 60 | -1.93 | #449 | #49,412 |
| 1993 | TEX | 52 | -2.18 | #553 | #74,976 |
| 1994 | CAL | 47 | -2.25 | #508 | #82,292 |
| 1995 | CAL | 62 | -2.13 | #547 | #69,853 |
| 1996 | CHC | 79 | -2.09 | #548 | #63,755 |
| 1997 | CHC | 76 | -2.20 | #814 | #77,425 |
| 1998 | CHC | 33 | -2.13 | #590 | #69,621 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1985 | SD | 3 | -3.73 | #392 | #49,255 |
| 1986 | PIT | 11 | -2.31 | #275 | #36,254 |
| 1987 | PIT | 15 | -3.47 | #393 | #48,280 |
| 1989 | PIT | 12 | -0.86 | #197 | #22,587 |
| 1990★ | PIT | 55 | 3.66 | #74 | #7,776 |
| 1991 | PIT | 54 | 0.16 | #164 | #17,729 |
| 1992 | PIT | 60 | 1.66 | #115 | #12,559 |
| 1993 | TEX | 52 | -0.95 | #238 | #23,105 |
| 1994 | CAL | 47 | -0.05 | #179 | #18,665 |
| 1995 | CAL | 62 | 1.56 | #138 | #12,900 |
| 1996 | CHC | 79 | 1.81 | #123 | #12,148 |
| 1997 | CHC | 76 | 0.90 | #156 | #15,000 |
| 1998 | CHC | 33 | -3.20 | #518 | #46,744 |
★ Best season by Z